select a food chain of your choice and create a Power Point which clearly shows how energy moves through this food chain. The goal fo your presentation is to describe that energy in animals' food was once energy from the sun.

Match each description to the appropriate biome. tropical savanna desert tropical rain forest taiga tundra has sparse vegetation and very cold temperatures located near the equator and contains trees that form dense canopy layers is very hot and dry, and has plants that need little water has cold winters, heavy snowfall and is dominated by conifers has warm temperatures and is dominated by grasses

The ultimate purpose of respiration: a. inhale 02 and exhale co2 b. place oxygen in the lungs c. place oxygen in the blood d. deliver oxygen to every blood cell

Make a claim about the factors that cause inherited genetic variations within populations. also make a claim about the effects of mutations.